BMW Coolant Expansion Tank Cap

Great BMW cars need exceptional parts... of course.

People who care about their BMW will figure out that the reason Coolant Expansion Tank Cap parts of OEM quality are the only ones that they will install on their automobile. Sure, BMW is known for luxury and best-in-class service. So it's important that you maintain it by purchasing Coolant Expansion Tank Cap parts that don't break the bank. If you have broken down and need some BMW replacement parts, then we can help you. Since you have a lot of love for a BMW, you should understand that keeping it in good shape is crucial.

Owning a car with a broken Coolant Expansion Tank Cap is a bad idea.

If the coolant levels in your engine are constantly dropping, then your BMW is going to need a few new parts. A coolant leak is by far and way the most common cause, and you've probably already been considering getting some coolant hoses or reservoir. If none of your hoses are leaking, then you may need to consider replacing the reservoir and the coolant expansion tank cap as well. This little part keeps a fixed amount of pressure on the liquid coolant that flows up into the tank so that it doesn't leak out the top. At such a small price, you can't afford not to get a replacement BMW coolant expansion tank cap.